干密度
- 网络dry density;Ash-free bulk density
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随着干密度ρd的增大,土体的抗拉强度σt和拉伸模量Et都得到提高,随着含水率ω的增大,抗拉强度σt先提高后衰减。
With increasing the dry density , the tensile strength increasing ;
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通过击实试验、承载比试验,得出了红层泥岩试样的最优含水量及最大干密度的关系,以及CBR值。
The relationship of the red mudstone among the optimum water content and maximum dry density and CBR value can be obtain .
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不同浸渍时间对辐照后杨木气干密度、24h吸水率的影响
Effects of a Different Dipping Time to Air-dry Density and 24-hour Water Absorption by Irradiation MMA into Poplar
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研究结果表明,膨胀性泥页岩填料的承载比(CBR)和回弹模量主要受制样含水量及干密度的控制;
The results have shown that the CBR and resilience modulus of expansive shale were mainly controlled by moisture content and dry density .
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该研究利用X射线测定三倍体毛白杨木材各无性系气干密度,通过适当的数学模型,利用计算机可视化技术对木材密度的分布进行可视化分析,得到了木材横切面密度二维分布图。
This study uses X ray to measure wood density of triploid clones of Populus tomentosa Carr . Based on suitable mathematical model , the distribution of wood density was analyzed by cumputer visible technology .
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与含水量ω、干密度γd及饱和度sr的关系,以及强度与膨胀压力p之间的关系,结果表明:c,tan?
And dry density γ d , degree of saturation sr , water content ω, strength and swelling pressure p of expansive soil are researched . The results show that the relationship between c , tan ?
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用在干密度一定的条件下,对三种不同含水量的南、北疆沙样做了直剪试验,确定了含水量对抗剪强度指标c、φ值的影响。
When the dry density of three kind of sand sample of south Xinjiang and north Xinjiang are certain , which have different moisture content , through the straight scissors test , the effect of moisture content to the index of shear strength of c and is analyzed .
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对GCL中常用的膨润土微观结构特征进行定量研究,分析孔隙分布和形态特征等随干密度和孔隙溶液浓度的变化规律。
The bentonite microstructure characteristics , such as distribution and roughness of pore , apparent porosity and intraparticle void ratio , were studied quantitatively .
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建立了ISS加固土最大干密度与闷料时间、ISS石灰加固土强度与压实度的关系式。
The relation between the maximum dry density and the enclosing material time period , as well as that between the strength and the compaction degree of the strengthening soil was finally established .
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为保证面板堆石坝(CFRD)的填筑干密度达到设计标准,爆破开采的坝料有严格的块度和级配要求。
Rigorous criteria are demanded on fragmentation and grade of Concrete Face Rock-fill Dam ( CFRD ) construction materials in order to meet the designed requirements of density .
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用SRA可降低因延迟压实对水泥稳定粒料基层的强度和干密度的影响,可把延迟成型时间延长到9h;
The influence of compacting delay on strength and dry density of road base may be reduced by SRA additive , forming time may be delayed to 9h ;
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结果表明:EN-1固化剂可显著增大土壤干密度,提高土壤抗剪强度和抗渗性,改善黄土的工程性能;
The result indicated that EN-1 solidifying agent can remarkably increase the dry density , shear strength and impermeability ; improve the loess mechanical properties .
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中山杉与落羽杉树干上段(3.3~5.3m)木材的基本密度、气干密度、抗弯强度和抗弯弹性模量均低于下段(1.3~3.3m);
The basic density , air-dry density , bending strength and modulus of elasticity of the two species of wood from the lower part of trunk are lower .
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其次,采用原状土样进行室内常规三轴试验及侧限压缩试验,确定试验参数,代入前述理论公式,借助FORTRAN语言计算桩间土土体应力及其干密度,得出了一些结论;
Second , according to the parameters based on the common tri-axial compression and lateral confinement compression test on the undisturbed soil sample , this paper calculate the soil stress between piles and dry density on the use of FORTRAN program , thus make some important conclusions .
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本文介绍HEI绝热材料的研究过程,对水泥-泡沫颗粒比对HEI绝热材料的强度、干密度和吸水率等材性的影响进行了讨论。
The process of research on the high efficient thermal isolated ( HEI ) material is introduced , the effects of cement polystyrene foam grain ration on strength , dry density and water absorption ratio of HEI material are discussed in this paper .
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本文详细分析了MSW三相的压缩物理力学特征,特别考察了压缩过程中固相内部气体对MSW干密度的显著影响,并建立了一个压缩模型。
This thesis also discusses the compression characteristics of MSW , and analyses the mechanical property of solid phase of MSW , specially considering the effect of the gas that trapped in solid phase content on bulk density . A theoretical model is established to simulate the experiment procedue .
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结果表明ISS加固土的最大干密度随闷料时间的增长而增大,从而可以增大其承载力;加固土含水量对干密度的影响因固化剂而异。
The analytical results indicate that the maximum dry density of ISS strengthening soil increases with the enclosing material time periods , which causes the improvement of bearing capacity , while the effect of the water content of strengthening soil on dry density varies with soil consolidation agent .
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影响因子对内摩擦角φ的影响大小依次为:不均匀系数Cu>小于0.001mm黏粒含量>天然含水率>干密度>有机质含量>根密度;
The order of the effects of the influence factors on friction angle is coefficient of uniformity Cu > less than 0.001 mm clay content > natural water content > dry density > organic content > root density ;
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粗粒料压实干密度无损检测试验研究
Study on Non-Damage Detection of Dry Density of Rough Aggregate Materials
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超粒径土石混合料最大干密度的试验研究
A Study on Maximum Dry Density Test of Oversized Earth-Rock Mixture
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填料最大干密度的曲线拟合解
Maximum Dry Density 's Curve Fitting Method Solution of Filling Material
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不同干密度非饱和膨胀土的三轴试验研究
Triaxial tests on unsaturated expansive soils with different initial dry densities
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基层材料最佳含水量和最大干密度的确定方法探讨
The Best Base Material Water Content and Maximum Dry Density Determination
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最大干密度和最优含水率的准确性探讨
Discussion on precision of biggest dry density and optimum water content
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超径粗颗粒土最大干密度的确定方法
Method for Determining Maximum Dry Density of Oversize Coarse-grained Soil
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松干密度的测定及其在灰土地基质量控制中的作用
Effect of loose dry density on process of quality control of lime-soil
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级配较好的土,沉积后的干密度较大;
Well graded soil will has the larger dry density after sedimentation ?
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沙粒形状对泥沙干密度影响初探
Influence of sand grain shapes on dry density of sediment
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碾压试验确定回填料最大干密度
Gaining the Maximum Dry Density of Fill by Compacting Test
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浅谈确定二灰稳定砂砾最大干密度的方法
Determination of maximum dry density of lime-fly ash stabilized gravels